Avoid creating any useless undo action when dragging nodes in place

This commit is contained in:
Chia-Hsiang Cheng 2023-08-26 22:00:36 +08:00
parent 6da4ad1662
commit 41441765cd

View file

@ -1911,6 +1911,8 @@ void SceneTreeDock::_do_reparent(Node *p_new_parent, int p_position_in_parent, V
p_nodes.sort_custom<Node::Comparator>(); //Makes result reliable.
const int first_idx = p_position_in_parent == -1 ? p_new_parent->get_child_count(false) : p_position_in_parent;
int nodes_before = first_idx;
bool no_change = true;
for (int ni = 0; ni < p_nodes.size(); ni++) {
if (p_nodes[ni] == p_new_parent) {
@ -1919,7 +1921,17 @@ void SceneTreeDock::_do_reparent(Node *p_new_parent, int p_position_in_parent, V
// `move_child` + `get_index` doesn't really work for internal nodes.
ERR_FAIL_COND_MSG(p_nodes[ni]->get_internal_mode() != INTERNAL_MODE_DISABLED, "Trying to move internal node, this is not supported.");
if (p_nodes[ni]->get_parent() != p_new_parent || p_position_in_parent + ni != p_nodes[ni]->get_index(false)) {
if (p_nodes[ni]->get_index(false) < first_idx) {
nodes_before--;
}
if (p_nodes[ni]->get_parent() != p_new_parent) {
no_change = false;
}
}
for (int ni = 0; ni < p_nodes.size() && no_change; ni++) {
if (p_nodes[ni]->get_index(false) != nodes_before + ni) {
no_change = false;
}
}